Package org.apache.spark.sql.catalog

Class Column

Object

org.apache.spark.sql.catalog.Column

All Implemented Interfaces:

org.apache.spark.sql.catalyst.DefinedByConstructorParams

public class Column
extends Object
implements org.apache.spark.sql.catalyst.DefinedByConstructorParams

A column in Spark, as returned by listColumns method in Catalog.

param: name name of the column. param: description description of the column. param: dataType data type of the column. param: nullable whether the column is nullable. param: isPartition whether the column is a partition column. param: isBucket whether the column is a bucket column. param: isCluster whether the column is a clustering column.

Since:

2.0.0

Constructor Summary

Constructors

Constructor	Description
Column(String name, String description, String dataType, boolean nullable, boolean isPartition, boolean isBucket)
Column(String name, String description, String dataType, boolean nullable, boolean isPartition, boolean isBucket, boolean isCluster)

Method Summary

Modifier and Type	Method	Description
String	dataType()
String	description()
boolean	isBucket()
boolean	isCluster()
boolean	isPartition()
String	name()
boolean	nullable()
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

Column

public Column(String name,
 String description,
 String dataType,
 boolean nullable,
 boolean isPartition,
 boolean isBucket,
 boolean isCluster)

Column

public Column(String name,
 String description,
 String dataType,
 boolean nullable,
 boolean isPartition,
 boolean isBucket)

Method Details

dataType

public String dataType()

description

public String description()

isBucket

public boolean isBucket()

isCluster

public boolean isCluster()

isPartition

public boolean isPartition()

name

public String name()

nullable

public boolean nullable()

toString

public String toString()

Overrides:

toString in class Object